Here are some problems that our users have asked and received explanations on
I created a hyperlink to open a PDF document from my company's public drive, however, an error message pops up declaring "cannot open the specified file"
Solved by B. L. in 12 mins
I cannot open an excel file. File format or extension
Solved by X. W. in 14 mins
hi my excel file showing the error "Excel cannot open the file because the file format or file extension is not valid
Solved by B. S. in 28 mins
MICROSOFT EXCEL CORRUPTED ... excel cannot open the file because the extension is not valid